A historic milestone has been recorded in the Church of England with the installation of a former nurse Dame Sarah Mullally, whose inaugural message underscored a leadership defined as much by reflection and responsibility as by celebration.

Addressing about 2,000 worshippers at Canterbury Cathedral, including Prince William and Catherine, Princess of Wales, Mullally described her journey as one she never anticipated, BBC reports.

She worked in Britain’s state-run National Health Service for more than three decades, rising to become its chief nursing officer for England in 1999, according to AFP.

In her first sermon, she said: “As I look back over my life – at the teenage Sarah, who put her faith in God and made a commitment to follow Jesus, I could never have imagined the future that lay ahead, and certainly not the ministry to which I am now called.”

Her installation, traditionally known as an enthronement, represents a significant break from centuries of precedent.

All 105 previous holders of the office, dating back to St Augustine of Canterbury in 597 AD, were men, highlighting the magnitude of the shift.

Mullally, who became a Christian at 16, invoked biblical imagery to explain her calling, noting her identification with Mary, the mother of Jesus, who trusted “in a future she couldn’t yet see – a future she could never have imagined”.

Her address went beyond symbolism to confront pressing global and institutional concerns. She said she was praying for those affected by conflict in the Middle East, while also acknowledging failures within the Church.

“In a world already torn by conflict, suffering, and division, we must also acknowledge the hurt that exists much closer to home,” she said. “We must not overlook or minimise the pain experienced by those who have been harmed through the actions, inactions, or failures of those in our own Christian churches and communities.”

Her remarks come in the wake of the 2024 resignation of her predecessor, Justin Welby, following criticism over his handling of an abuse case.

Addressing concerns about accountability a day before her installation, Mullally said: “Light should be shone on all our actions. And the more senior we are, the more light should be shone. That is absolutely right.

“I am going to be the archbishop because of the experiences that I have had, whether as a nurse or as a priest or as a bishop. And I continue to make my commitment to do all I can to ensure that the Church becomes safer.”

With nurses and carers among those in attendance, reflecting her professional background, Mullally’s elevation blends pastoral experience with institutional reform.

As she assumes office, her tenure stands not only as a landmark in representation but also as a critical test of whether leadership at the highest level can address long-standing divisions within the Anglican Communion.